FLOOR - Practice Mode

1) What is the unit of electrical resistance?
Correct Answer: Ohm
2) Which instrument is used to measure electric current?
Correct Answer: Ammeter
3) How many electrons are there in the third shell of copper atom?
Correct Answer: 18
4) Which is a conductor of electricity?
Correct Answer: Copper
5) Which is a temporary wiring?
Correct Answer: Cleat wiring